549769044 has 24 divisors (see below), whose sum is σ = 1399412448. Its totient is φ = 166596640.

The previous prime is 549769043. The next prime is 549769057. The reversal of 549769044 is 440967945.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 549768984 and 549769002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549769043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2082327 + ... + 2082590.

It is an arithmetic number, because the mean of its divisors is an integer number (58308852).

Almost surely, 2^549769044 is an apocalyptic number.

It is an amenable number.

549769044 is an abundant number, since it is smaller than the sum of its proper divisors (849643404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549769044 is a wasteful number, since it uses less digits than its factorization.

549769044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164935 (or 4164933 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 549769044 is about 23447.1542836226. The cubic root of 549769044 is about 819.2065714150.

The spelling of 549769044 in words is "five hundred forty-nine million, seven hundred sixty-nine thousand, forty-four".